Skip to main content

egui_map/
map.rs

1use crate::map::animation::Animation;
2use crate::map::objects::{
3    ContextMenuManager, MapBounds, MapLabel, MapLine, MapPoint, MapSettings, RawLine, RawPoint,
4    TextSettings, VisibilitySetting,
5};
6use chrono;
7use egui::{epaint::CircleShape, widgets::*, *};
8use kdtree::distance::squared_euclidean;
9use kdtree::KdTree;
10use std::collections::{HashMap, HashSet};
11use std::fmt::Error;
12use std::rc::Rc;
13use std::time::Instant;
14
15use self::objects::NodeTemplate;
16
17pub mod animation;
18pub mod objects;
19// This can by any object or point with its associated metadata
20/// Struct that contains coordinates to help calculate nearest point in space
21
22#[derive(Clone)]
23pub struct Map {
24    zoom: f32,
25    previous_zoom: f32,
26    points: Option<HashMap<usize, MapPoint>>,
27    lines: Option<HashMap<String, MapLine>>,
28    labels: Vec<MapLabel>,
29    tree: Option<KdTree<f32, usize, [f32; 2]>>,
30    visible_points: Vec<isize>,
31    map_area: Rect,
32    reference: MapBounds,
33    current: MapBounds,
34    style: egui::Style,
35    current_index: usize,
36    entities: HashMap<usize, Instant>,
37    min_size: (Option<f32>, Option<f32>),
38    max_size: (Option<f32>, Option<f32>),
39    pub settings: MapSettings,
40    menu_manager: Option<Rc<dyn ContextMenuManager>>,
41    node_template: Option<Rc<dyn NodeTemplate>>,
42    visible_lines: HashSet<String>,
43    markers: HashMap<usize, usize>,
44}
45
46impl Default for Map {
47    fn default() -> Self {
48        Map::new()
49    }
50}
51
52impl Widget for &mut Map {
53    fn ui(self, ui: &mut egui::Ui) -> Response {
54        let rect = self.calculate_widget_dimentions(ui);
55
56        // we define the initial coordinate as the center of such rectangle
57        self.reference.dist = rect.distance();
58
59        self.assign_visual_style(ui);
60
61        let canvas = egui::Frame::canvas(ui.style()).inner_margin(Margin::symmetric(3, 5));
62
63        let inner_response = canvas.show(ui, |ui| {
64            #[cfg(feature = "puffin")]
65            puffin::profile_scope!("paint_map");
66
67            if ui.is_rect_visible(self.map_area) {
68                let (resp, paint) =
69                    ui.allocate_painter(self.map_area.size(), egui::Sense::click_and_drag());
70                let vec = resp.drag_delta();
71                if vec.length() != 0.0 {
72                    #[cfg(feature = "puffin")]
73                    puffin::profile_scope!("calculating_points_in_visible_area");
74
75                    let coords = RawPoint::from(vec.to_pos2());
76                    let new_pos = self.reference.pos - (coords / self.zoom);
77                    self.set_pos(new_pos.into());
78                }
79                let map_style = self.settings.styles[self.current_index].clone() * self.zoom;
80                if self.zoom < self.settings.line_visible_zoom {
81                    // filling text settings
82                    let mut text_settings = TextSettings {
83                        size: 12.00 * self.zoom * 2.00,
84                        anchor: Align2::CENTER_CENTER,
85                        family: FontFamily::Proportional,
86                        text: String::new(),
87                        position: RawPoint::default(),
88                        text_color: ui.visuals().text_color(),
89                    };
90                    for label in &self.labels {
91                        text_settings.text.clone_from(&label.text);
92                        paint.text(
93                            label.center,
94                            Align2::CENTER_CENTER,
95                            label.text.as_str(),
96                            map_style.font.clone().unwrap(),
97                            ui.visuals().text_color(),
98                        );
99                        self.paint_label(&paint, &text_settings);
100                    }
101                }
102
103                // Here we determine the widget center to print all nodes
104                // let min_point = self.current.pos - RawPoint::try_from([self.map_area.center().x,self.map_area.center().y]).unwrap();
105
106                let rect_midpoint = RawPoint::from(self.map_area.center());
107                let min_point = self.current.pos - rect_midpoint;
108                let vec_points = &self.visible_points;
109                let hashm = &self.points;
110                self.paint_map_lines(&paint, &min_point);
111
112                if let Ok(nodes_to_remove) =
113                    self.paint_map_points(vec_points, hashm, &paint, ui, &min_point, &resp)
114                {
115                    for node in nodes_to_remove {
116                        self.entities.remove(&node);
117                    }
118                }
119
120                for marker in &self.markers {
121                    if let Some(point) = self.points.as_ref().unwrap().get(marker.1) {
122                        let adjusted_point = point.raw_point * self.zoom - min_point;
123                        if let Some(template) = &self.node_template {
124                            template.marker_ui(ui, adjusted_point.into(), self.zoom);
125                        } else {
126                            let mut shapes = Vec::new();
127                            let color = if ui.visuals().dark_mode {
128                                Color32::LIGHT_GREEN
129                            } else {
130                                Color32::GREEN
131                            };
132                            let mut transparency =
133                                (chrono::Local::now().timestamp_millis() % 2550) / 5;
134                            if transparency > 255 {
135                                transparency = 255 - (transparency - 255)
136                            }
137                            let corrected_color = Color32::from_rgba_unmultiplied(
138                                color.r(),
139                                color.g(),
140                                color.b(),
141                                transparency as u8,
142                            );
143                            shapes.push(Shape::Circle(CircleShape::stroke(
144                                adjusted_point.into(),
145                                4.0 * self.zoom,
146                                Stroke::new(9.0 * self.zoom, corrected_color),
147                            )));
148                            ui.ctx().request_repaint();
149                            ui.painter().extend(shapes);
150                        }
151                    }
152                }
153
154                self.paint_sub_components(ui, self.map_area);
155
156                self.capture_mouse_events(ui, &resp);
157
158                if self.zoom != self.previous_zoom {
159                    #[cfg(feature = "puffin")]
160                    puffin::profile_scope!("calculating viewport with zoom");
161                    self.adjust_bounds();
162                    self.calculate_visible_points();
163                    self.previous_zoom = self.zoom;
164                }
165
166                if let Some(ref mut menu_mon) = &mut self.menu_manager {
167                    resp.context_menu(|ui| {
168                        menu_mon.ui(ui);
169                    });
170                }
171
172                if cfg!(debug_assertions) {
173                    self.print_debug_info(paint, resp);
174                }
175            }
176        });
177        ui.allocate_space(self.map_area.size());
178        inner_response.response
179    }
180}
181
182impl Map {
183    pub fn new() -> Self {
184        let settings = MapSettings::default();
185        Self {
186            zoom: 1.0,
187            previous_zoom: 1.0,
188            map_area: Rect::NOTHING,
189            tree: None,
190            points: None,
191            lines: None,
192            labels: Vec::new(),
193            visible_points: Vec::new(),
194            current: MapBounds::default(),
195            reference: MapBounds::default(),
196            settings,
197            min_size: (None, None),
198            max_size: (None, None),
199            current_index: 0,
200            entities: HashMap::new(),
201            style: egui::Style::default(),
202            menu_manager: None,
203            node_template: None,
204            visible_lines: HashSet::new(),
205            markers: HashMap::new(),
206        }
207    }
208
209    fn calculate_widget_dimentions(&mut self, ui: &mut Ui) -> RawLine {
210        self.map_area = ui.available_rect_before_wrap();
211        let mut left_top = RawPoint::from(self.map_area.left_top());
212        let mut right_bottom = RawPoint::from(self.map_area.right_bottom());
213        if self.max_size.0.is_some()
214            && right_bottom.components[0] > self.max_size.0.unwrap_or(0.0f32)
215        {
216            right_bottom.components[0] = self.max_size.0.unwrap();
217        }
218        if self.max_size.1.is_some()
219            && right_bottom.components[1] > self.max_size.1.unwrap_or(0.0f32)
220        {
221            right_bottom.components[1] = self.max_size.1.unwrap();
222        }
223        if self.min_size.0.is_some() && left_top.components[0] < self.min_size.0.unwrap_or(0.0f32) {
224            left_top.components[0] = self.min_size.0.unwrap();
225        }
226        if self.min_size.1.is_some() && left_top.components[1] < self.min_size.1.unwrap_or(0.0f32) {
227            left_top.components[1] = self.min_size.1.unwrap();
228        }
229        RawLine::new(left_top, right_bottom)
230    }
231
232    fn calculate_visible_points(&mut self) {
233        #[cfg(feature = "puffin")]
234        puffin::profile_scope!("calculate_visible_points");
235        if self.current.dist > 0.0 && self.current.dist < f32::INFINITY {
236            if let Some(tree) = &self.tree {
237                let center = self.current.pos / self.zoom;
238                let radius = self.current.dist.powi(2);
239                let point: [f32; 2] = center.into();
240                let vis_pos = tree.within(&point, radius, &squared_euclidean).unwrap();
241                self.visible_points.clear();
242                for point in vis_pos {
243                    self.visible_points.push(point.1.cast_signed());
244                    let system = self.points.as_ref().unwrap().get(point.1);
245                    for connection in &system.unwrap().connections {
246                        if !self.visible_lines.contains(&connection.clone()) {
247                            self.visible_lines.insert(connection.clone());
248                        }
249                    }
250                }
251            }
252        }
253    }
254
255    pub fn add_hashmap_points(&mut self, hash_map: HashMap<usize, MapPoint>) {
256        #[cfg(feature = "puffin")]
257        puffin::profile_scope!("add_hashmap_points");
258        let mut min = RawPoint::new(f32::INFINITY, f32::INFINITY);
259        let mut max = RawPoint::new(f32::NEG_INFINITY, f32::NEG_INFINITY);
260        let mut tree = KdTree::<f32, usize, [f32; 2]>::new(2);
261        let mut h_map = hash_map.clone();
262
263        for entry in h_map.iter_mut() {
264            for i in 0..min.components.len() {
265                if entry.1.raw_point.components[i] < min.components[i] {
266                    min.components[i] = entry.1.raw_point.components[i];
267                }
268                if entry.1.raw_point.components[i] > max.components[i] {
269                    max.components[i] = entry.1.raw_point.components[i];
270                }
271            }
272            let _result = tree.add(entry.1.raw_point.into(), *entry.0);
273        }
274
275        // We stablish the max and min coordinates in this map, this wont change until we change the point hash map
276        self.reference.min = min;
277        self.reference.max = max;
278        self.points = Some(h_map);
279        self.tree = Some(tree);
280        self.reference.pos = RawLine::new(min, max).midpoint();
281        // we create a rect that include every node in the map
282        // Stupid fix because rect area could be infinite
283        // I need to implement a more elegant fix
284        if self.map_area.area() == 0.0 {
285            self.reference.dist = 3000.00;
286        } else {
287            let rect = RawLine::new(
288                RawPoint::from(self.map_area.left_top()),
289                RawPoint::from(self.map_area.right_bottom()),
290            );
291            self.reference.dist = rect.distance();
292        }
293        self.current = self.reference.clone();
294        self.calculate_visible_points();
295    }
296
297    pub fn set_pos_from_nodeid(&mut self, node_id: usize) {
298        #[cfg(feature = "puffin")]
299        puffin::profile_scope!("set_pos_from_nodeid");
300        if let Some(hash_map) = &self.points {
301            if let Some(map_point) = hash_map.get(&node_id) {
302                self.reference.pos = map_point.raw_point;
303                self.adjust_bounds();
304                self.calculate_visible_points();
305            }
306        }
307    }
308
309    pub fn set_pos(&mut self, position: [f32; 2]) {
310        #[cfg(feature = "puffin")]
311        puffin::profile_scope!("set_pos");
312        let point = RawPoint::from(position);
313        self.reference.pos = point;
314        self.adjust_bounds();
315        self.calculate_visible_points();
316    }
317
318    pub fn get_pos(self) -> [f32; 2] {
319        #[cfg(feature = "puffin")]
320        puffin::profile_scope!("get_pos");
321        self.reference.pos.into()
322    }
323
324    pub fn add_labels(&mut self, labels: Vec<MapLabel>) {
325        #[cfg(feature = "puffin")]
326        puffin::profile_scope!("add_labels");
327        self.labels = labels;
328    }
329
330    pub fn add_lines(&mut self, lines: HashMap<String, MapLine>) {
331        #[cfg(feature = "puffin")]
332        puffin::profile_scope!("add_lines");
333        self.lines = Some(lines);
334    }
335
336    fn adjust_bounds(&mut self) {
337        #[cfg(feature = "puffin")]
338        puffin::profile_scope!("adjust_bounds");
339        self.current.max = self.reference.max * self.zoom;
340        self.current.min = self.reference.min * self.zoom;
341        self.current.dist = self.reference.dist / self.zoom;
342        self.current.pos = self.reference.pos * self.zoom;
343    }
344
345    fn capture_mouse_events(&mut self, ui: &Ui, resp: &Response) {
346        #[cfg(feature = "puffin")]
347        puffin::profile_scope!("capture_mouse_events");
348        // capture MouseWheel Event for Zoom control change
349        if ui.rect_contains_pointer(self.map_area) {
350            ui.input(|x| {
351                #[cfg(feature = "puffin")]
352                puffin::profile_scope!("capture_mouse_events");
353
354                if !x.events.is_empty() {
355                    for event in &x.events {
356                        match event {
357                            Event::MouseWheel {
358                                unit: _,
359                                delta,
360                                modifiers,
361                                phase: _
362                            } => {
363                                #[cfg(target_os = "macos")]
364                                let zoom_modifier = if modifiers.mac_cmd {
365                                    delta.y / 80.00
366                                } else {
367                                    delta.y / 400.00
368                                };
369
370                                #[cfg(not(target_os = "macos"))]
371                                let zoom_modifier = if modifiers.ctrl {
372                                    delta.y / 8.00
373                                } else {
374                                    delta.y / 40.00
375                                };
376
377                                let mut pre_zoom = self.zoom + zoom_modifier;
378                                if pre_zoom > self.settings.max_zoom {
379                                    pre_zoom = self.settings.max_zoom;
380                                }
381                                if pre_zoom < self.settings.min_zoom {
382                                    pre_zoom = self.settings.min_zoom;
383                                }
384                                self.zoom = pre_zoom;
385                            }
386                            _ => {
387                                continue;
388                            }
389                        };
390                    }
391                }
392            });
393        }
394        if resp.secondary_clicked() {}
395    }
396
397    pub fn set_zoom(mut self, value: f32) {
398        if value >= self.settings.min_zoom && value <= self.settings.max_zoom {
399            self.zoom = value;
400        }
401    }
402
403    pub fn get_zoom(&mut self) -> f32 {
404        self.zoom
405    }
406
407    fn assign_visual_style(&mut self, ui_obj: &mut Ui) {
408        let style_index = ui_obj.visuals().dark_mode as usize;
409
410        if self.current_index != style_index {
411            #[cfg(feature = "puffin")]
412            puffin::profile_scope!("asign_visual_style");
413
414            self.current_index = style_index;
415            self.style = ui_obj.style_mut().clone();
416            self.style.visuals.extreme_bg_color =
417                self.settings.styles[style_index].background_color;
418            self.style.visuals.window_stroke = self.settings.styles[style_index].border.unwrap();
419        }
420    }
421
422    fn print_debug_info(&mut self, paint: Painter, resp: Response) {
423        #[cfg(feature = "puffin")]
424        puffin::profile_scope!("printing debug data");
425
426        let mut init_pos = Pos2::new(
427            self.map_area.left_top().x + 10.00,
428            self.map_area.left_top().y + 10.00,
429        );
430        let mut msg = "MIN:".to_string()
431            + self.current.min.components[0].to_string().as_str()
432            + ","
433            + self.current.min.components[1].to_string().as_str();
434        paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::LIGHT_GREEN, msg);
435        init_pos.y += 15.0;
436        msg = "MAX:".to_string()
437            + self.current.max.components[0].to_string().as_str()
438            + ","
439            + self.current.max.components[1].to_string().as_str();
440        paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::LIGHT_GREEN, msg);
441        init_pos.y += 15.0;
442        msg = "CUR:(".to_string()
443            + self.current.pos.components[0].to_string().as_str()
444            + ","
445            + self.current.pos.components[1].to_string().as_str()
446            + ")";
447        paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::LIGHT_GREEN, msg);
448        init_pos.y += 15.0;
449        msg = "DST:".to_string() + self.current.dist.to_string().as_str();
450        paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::LIGHT_GREEN, msg);
451        init_pos.y += 15.0;
452        msg = "ZOM:".to_string() + self.zoom.to_string().as_str();
453        paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::GREEN, msg);
454        init_pos.y += 15.0;
455        msg = "REC:(".to_string()
456            + self.map_area.left_top().x.to_string().as_str()
457            + ","
458            + self.map_area.left_top().y.to_string().as_str()
459            + "),("
460            + self.map_area.right_bottom().x.to_string().as_str()
461            + ","
462            + self.map_area.right_bottom().y.to_string().as_str()
463            + ")";
464        paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::LIGHT_GREEN, msg);
465        if let Some(points) = &self.points {
466            init_pos.y += 15.0;
467            msg = "NUM:".to_string() + points.len().to_string().as_str();
468            paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::LIGHT_GREEN, msg);
469        }
470        if !self.visible_points.is_empty() {
471            init_pos.y += 15.0;
472            msg = "VIS:".to_string() + self.visible_points.len().to_string().as_str();
473            paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::LIGHT_GREEN, msg);
474        }
475        if let Some(pointer_pos) = resp.hover_pos() {
476            init_pos.y += 15.0;
477            msg = "HVR:".to_string()
478                + pointer_pos.x.to_string().as_str()
479                + ","
480                + pointer_pos.y.to_string().as_str();
481            paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::LIGHT_BLUE, msg);
482        }
483        let vec = resp.drag_delta();
484        if vec.length() != 0.0 {
485            init_pos.y += 15.0;
486            msg = "DRG:".to_string()
487                + vec.to_pos2().x.to_string().as_str()
488                + ","
489                + vec.to_pos2().y.to_string().as_str();
490            paint.debug_text(init_pos, Align2::LEFT_TOP, Color32::GOLD, msg);
491        }
492    }
493
494    fn paint_sub_components(&mut self, ui_obj: &mut Ui, rect: Rect) {
495        #[cfg(feature = "puffin")]
496        puffin::profile_scope!("map_ui_paint_sub_components");
497        let zoom_slider = egui::Slider::new(
498            &mut self.zoom,
499            self.settings.min_zoom..=self.settings.max_zoom,
500        )
501        .show_value(false)
502        //.step_by(0.1)
503        .orientation(SliderOrientation::Vertical);
504        let mut pos1 = rect.right_top();
505        let mut pos2 = rect.right_top();
506        pos1.x -= 80.0;
507        pos1.y += 120.0;
508        pos2.x -= 60.0;
509        pos2.y += 240.0;
510
511        // TODO: Verify if this implementation its correct migrated from allocate_ui_at_rect()
512        let sub_rect = egui::Rect::from_two_pos(pos1, pos2);
513        //ui_obj.allocate_ui_with_layout(sub_rect.size(), egui::Layout::right_to_left(Align::TOP), |ui_obj| {
514        let ui_builder = egui::UiBuilder::new().clone().max_rect(sub_rect);
515        //});
516        ui_obj.scope_builder(ui_builder, |ui_obj| {
517            ui_obj.add(zoom_slider);
518        });
519    }
520
521    fn paint_map_points(
522        &self,
523        vec_points: &Vec<isize>,
524        hashm: &Option<HashMap<usize, MapPoint>>,
525        paint: &Painter,
526        ui_obj: &mut Ui,
527        min_point: &RawPoint,
528        resp: &Response,
529    ) -> Result<Vec<usize>, ()> {
530        let mut nearest_id = None;
531        let mut nodes_to_remove = Vec::new();
532        let mut shape_vec = vec![];
533
534        if hashm.is_none() {
535            return Err(());
536        }
537        if vec_points.is_empty() {
538            return Err(());
539        }
540        // detecting the nearest hover node
541        if self.settings.node_text_visibility == VisibilitySetting::Hover && resp.hovered() {
542            if let Some(point) = resp.hover_pos() {
543                let raw_point = RawPoint::from(point);
544                let hovered_map_point = (*min_point + raw_point) / self.zoom;
545                if let Ok(nearest_node) = self.tree.as_ref().unwrap().nearest(
546                    &hovered_map_point.components,
547                    1,
548                    &squared_euclidean,
549                ) {
550                    nearest_id = Some(nearest_node.first().unwrap().1);
551                }
552            }
553        }
554        // filling text settings
555        let mut text_settings = TextSettings {
556            size: 12.00 * self.zoom,
557            anchor: Align2::LEFT_BOTTOM,
558            family: FontFamily::Proportional,
559            text: String::new(),
560            position: RawPoint::default(),
561            text_color: ui_obj.visuals().text_color(),
562        };
563
564        // Drawing Points
565        for temp_point in vec_points {
566            let parsed_point = temp_point.cast_unsigned();
567            if let Some(system) = hashm.as_ref().unwrap().get(&parsed_point) {
568                #[cfg(feature = "puffin")]
569                puffin::profile_scope!("painting_points_m");
570                let viewport_point = system.raw_point * self.zoom - min_point;
571                if let Some(node_template) = &self.node_template {
572                    if nearest_id.unwrap_or(&0usize) == &system.get_id() {
573                        node_template.selection_ui(ui_obj, viewport_point.into(), self.zoom);
574                    }
575                } else if self.zoom > self.settings.label_visible_zoom
576                    && self.settings.node_text_visibility == VisibilitySetting::Allways
577                    || (self.settings.node_text_visibility == VisibilitySetting::Hover
578                        && nearest_id.unwrap_or(&0usize) == &system.get_id())
579                {
580                    let mut viewport_text = viewport_point;
581                    viewport_text.components[0] += 3.0 * self.zoom;
582                    viewport_text.components[1] -= 3.0 * self.zoom;
583                    text_settings.position = viewport_text;
584                    text_settings.text = system.get_name();
585                    self.paint_label(paint, &text_settings);
586                }
587
588                let system_id = system.get_id();
589                if let Some(init_time) = self.entities.get(&system_id) {
590                    if let Some(template) = &self.node_template {
591                        template.notification_ui(
592                            ui_obj,
593                            viewport_point.into(),
594                            self.zoom,
595                            *init_time,
596                            self.settings.styles[self.current_index].alert_color,
597                        );
598                    } else {
599                        match Animation::pulse(
600                            paint,
601                            viewport_point,
602                            self.zoom,
603                            *init_time,
604                            self.settings.styles[self.current_index].alert_color,
605                        ) {
606                            Ok(true) => {
607                                ui_obj.ctx().request_repaint();
608                            }
609                            Ok(false) => nodes_to_remove.push(system_id),
610                            Err(_) => (),
611                        }
612                    }
613                }
614                if let Some(node_template) = &self.node_template {
615                    node_template.node_ui(ui_obj, viewport_point.into(), self.zoom, system);
616                } else {
617                    shape_vec.push(Shape::circle_filled(
618                        viewport_point.into(),
619                        4.00 * self.zoom,
620                        self.settings.styles[self.current_index].fill_color,
621                    ));
622                }
623            }
624        }
625        paint.extend(shape_vec);
626        Ok(nodes_to_remove)
627    }
628
629    fn paint_map_lines(&self, painter: &Painter, min_point: &RawPoint) {
630        #[cfg(feature = "puffin")]
631        puffin::profile_scope!("paint_map_lines");
632
633        // Drawing Lines
634        if self.zoom > self.settings.line_visible_zoom {
635            let mut shape_vec = vec![];
636            let mut stroke = self.settings.styles[self.current_index].line.unwrap();
637            let transparency_range = self.zoom - self.settings.line_visible_zoom;
638            if (0.00..0.80).contains(&transparency_range) {
639                let mut tup_stroke = self.settings.styles[self.current_index]
640                    .line
641                    .unwrap()
642                    .color
643                    .to_tuple();
644                let transparency = (self.zoom - self.settings.line_visible_zoom) / 0.80;
645                tup_stroke.3 = (255.0 * transparency).round() as u8;
646                let color = Color32::from_rgba_unmultiplied(
647                    tup_stroke.0,
648                    tup_stroke.1,
649                    tup_stroke.2,
650                    tup_stroke.3,
651                );
652                stroke = Stroke::new(
653                    self.settings.styles[self.current_index].line.unwrap().width,
654                    color,
655                );
656            }
657            //let stroke = Stroke::new(10.0,Color32::GREEN);
658            for line in &self.visible_lines {
659                if let Some(connection) = self.lines.as_ref().unwrap().get(line) {
660                    let pos_a = connection.raw_line.points[0] * self.zoom - min_point;
661                    let pos_b = connection.raw_line.points[1] * self.zoom - min_point;
662                    //let pos_a = connection.raw_line.points[0] / self.zoom - min_point;
663                    //let pos_b = connection.raw_line.points[1] / self.zoom - min_point;
664                    shape_vec.push(Shape::line_segment([pos_a.into(), pos_b.into()], stroke));
665                    //shape_vec.push(painter.line_segment([pos_a.into(),pos_b.into()], stroke));
666                }
667            }
668            painter.extend(shape_vec);
669        }
670    }
671
672    fn paint_label(&self, paint: &Painter, text_settings: &TextSettings) {
673        #[cfg(feature = "puffin")]
674        puffin::profile_scope!("paint_label");
675        paint.text(
676            text_settings.position.into(),
677            text_settings.anchor,
678            text_settings.text.clone(),
679            FontId::new(text_settings.size, text_settings.family.clone()),
680            text_settings.text_color,
681        );
682    }
683
684    pub fn notify(&mut self, id_node: usize, time: Instant) -> Result<bool, Error> {
685        #[cfg(feature = "puffin")]
686        puffin::profile_scope!("notify");
687        self.entities
688            .entry(id_node)
689            .and_modify(|value| *value = time)
690            .or_insert(time);
691        Ok(true)
692    }
693
694    pub fn set_context_manager(&mut self, manager: Rc<dyn ContextMenuManager>) {
695        self.menu_manager = Some(manager);
696    }
697
698    pub fn set_node_template(&mut self, template: Rc<dyn NodeTemplate>) {
699        self.node_template = Some(template);
700    }
701
702    pub fn update_marker(&mut self, id: usize, node_id: usize) {
703        self.markers
704            .entry(id)
705            .and_modify(|value| *value = node_id)
706            .or_insert(node_id);
707    }
708
709    pub fn allocate_at_least(&mut self, width: Option<f32>, height: Option<f32>) {
710        self.min_size = (width, height);
711    }
712
713    pub fn allocate_at_most(&mut self, width: Option<f32>, height: Option<f32>) {
714        self.max_size = (width, height);
715    }
716}